CN106337706B - A kind of oil circuit control method and its control device - Google Patents
A kind of oil circuit control method and its control device Download PDFInfo
- Publication number
- CN106337706B CN106337706B CN201610769507.2A CN201610769507A CN106337706B CN 106337706 B CN106337706 B CN 106337706B CN 201610769507 A CN201610769507 A CN 201610769507A CN 106337706 B CN106337706 B CN 106337706B
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- Prior art keywords
- oil
- distributor
- axis
- duct
- oil duct
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The present invention relates to a kind of oil circuit control method and its control devices, distributor axis is mounted in the centre bore of distributor body, electromagnetism valve opening is processed above the distributor body, solenoid valve is assemblied in electromagnetism valve opening, in the surface of centre bore, it is machined with vertical oil duct and horizontal oil duct, vertical oil duct is mutually communicated with horizontal oil duct, it is stifled that the outlet of vertical oil duct is equipped with oil, the distributor axis center processes an internal oil channel, periphery is equipped with oil inlet annular groove and draining annular groove, oil-feed tank and drain pan at an angle are disposed in the axial direction of distributor axis, the drain pan is connected to the draining annular groove.The present invention passes through the cooperation of distributor and solenoid valve, realizes under engine braking and non-brake operating condition, controls the switching of oil circuit.Parameter by controlling oil groove realizes the control at fuel feeding moment and fuel delivery, has indirectly controlled the characteristics of motion of valve.
Description
Technical field
The present invention relates to engine fuel system more particularly to a kind of oil circuit control method and its control devices.
Background technique
When automobile is in lower long slope, when driver starts engine braking apparatus, oil supply system fuel cut-off, while engine exists
When compression stroke is close to top dead centre, under engine braking apparatus driving, by exhauxt valve opens one small lift (1~2mm),
High pressure gas compressed in cylinder is discharged rapidly, inner pressure of air cylinder reduces rapidly, therefore in next expansion stroke,
Engine does not do work externally substantially.High pressure oil is provided using external high-pressure oil pump, braking valve is pushed to open at the setting moment, it is real
Existing engine braking.
In the prior art, the control of engine braking oil path and non-brake oil circuit is realized by solenoid valve.Generally for 6 cylinders
Engine uses two solenoid valves, and brake circuit is very short.Traditional oil circuit control only controls the opening and closing of total oil circuit,
It cannot achieve each cylinder oil circuit distribution, including fuel delivery, fuel feeding moment and draining moment.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes a kind of oil circuit control method, when can accurately control fuel delivery, fuel feeding
Quarter and draining moment, the characteristics of motion of braking valve is controlled, realizes engine braking.
The purpose of the present invention is what is be achieved through the following technical solutions.
A kind of oil circuit control method moves distributor axis rotation, oil inlet of the hydraulic oil from distributor axis by driving gear band
Annular groove interface enters in distributor axis；
When engine positive power, solenoid valve is opened, and hydraulic oil flows into horizontal oil duct by electromagnetism valve opening, then from horizontal oil
Road flows out distributor body, is used for oilgear；
When engine braking, solenoid valve is closed, then hydraulic oil is passed through out of oil inlet annular groove enters distributor axis internal oil channel
Fuel feed hole is crossed to enter in oil-feed tank；When oil-feed tank, which is gone to, to be connected with oil outlet, hydraulic oil is flowed out by oil connection to be distributed
Body enters the brake circuit of each cylinder, opens exhaust valve；After oil-feed tank turns over, distributor axis closes oil outlet
It closes, oil circuit is closed at this time, and exhaust valve lift is kept；When going to drain pan and oil outlet is connected, hydraulic oil passes through drain pan
Back to draining annular groove, subsequently into vertical oil duct and horizontal oil duct, distributor body is flowed out from horizontal oil duct；
Pass through the deep-controlled oil mass into brake circuit of the oil-feed tank on setting distributor axis；By setting distributor
The retention time of angle control valve stroke between oil-feed tank and drain pan on axis.
Another object of the present invention be propose a kind of oil route controller, including distributor body, solenoid valve, distributor axis,
Driving device, thrust plate and oil are stifled, and distributor axis is mounted in the centre bore of distributor body, and thrust plate is mounted on distributor axis
It offsets with distributor body, constrains the axial movement of distributor axis；Electromagnetism valve opening, solenoid valve assembly are processed above the distributor body
In electromagnetism valve opening, in the surface of centre bore, it is machined with vertical oil duct and horizontal oil duct, vertical oil duct and horizontal oil duct are mutual
Perforation, the outlet of vertical oil duct are equipped with oil and block up, and the distributor axis center processes an internal oil channel, and periphery is equipped with oil inlet annular groove and lets out
Oil ring groove is disposed with oil-feed tank and drain pan at an angle in the axial direction of distributor axis, the drain pan with it is described
The connection of draining annular groove.
Further, distributor body is machined with the first inclined-plane and the second inclined-plane, on the first inclined-plane and the first inclined-plane axial direction
Equidistant to be respectively arranged 2 or more oil outlets, oil connection is mounted in oil outlet, as distributor axis rotates, so that oil inlet
Slot and drain pan are switched on or off in different moments and oil outlet.
Further, first inclined-plane and second inclined-plane angle are 90 degree.
Further, the vertical oil duct is 3, and the horizontal oil duct is 1.
The present invention has the advantages that
Oil circuit control method of the invention and its control device, by the cooperation of distributor and solenoid valve, realization is being started
Mechanism is dynamic under non-brake operating condition, controls the switching of oil circuit.Parameter by controlling oil groove realizes fuel feeding moment and fuel delivery
Control, has indirectly controlled the characteristics of motion of valve.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Attached drawing 1 is oil route controller main view sectional view；
Attached drawing 2 is the top view of oil route controller；
Attached drawing 3 is the left view of oil route controller；
Attached drawing 4 is the transverse sectional view of distributor axis；
Attached drawing 5 is the structural schematic diagram of distributor axis；
Attached drawing 6 is the longitudinal sectional view of distributor axis.
In diagram, 1. distributor bodies, 2. solenoid valves, 3. distributor axis, 4. driving devices, 5. nuts, 6. thrust plates, 7. oil
Stifled, 8. oil connections, 101. vertical oil ducts, 102. horizontal oil ducts, 103. first inclined-planes, 104. second inclined-planes, 105. centre bores,
106. oil outlet, 201. oil inlet annular grooves, 202. internal oil channels, 203. draining annular grooves, 204. oil-feed tanks, 205. drain pans, 206. into
Oilhole.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
Embodiment according to the present invention, as shown in Figure 1 to Figure 3, a kind of oil route controller include distributor body 1, electricity
Magnet valve 2, distributor axis 3, driving device 4, thrust plate 6 and oil stifled 7, distributor axis 3 is mounted on the centre bore 105 of distributor body 1
Interior, thrust plate 6 is mounted on distributor axis 3 and offsets with distributor body 1, constrains the axial movement of distributor axis 3；Driving device 4
Gear is preferably driven, 3 rear end of distributor axis is machined with wedge-shaped platform, and driving gear is fixed on the wedge of distributor axis 3 by nut 5
On shape platform.It when distributor axis 3 works, drives gear under the transmitting of other gears, distributor axis 3 is driven to rotate.Distributor body 1
Top processes electromagnetism valve opening, and solenoid valve 2 is assemblied in electromagnetism valve opening, control section oil circuit.
Distributor body 1 is machined with the first inclined-plane 103 and the second inclined-plane 104,104 angle of the first inclined-plane 103 and the first inclined-plane
It is 90 degree, is respectively arranged 3 oil outlets 106, oil connection 8 the first inclined-plane 103 and 104 axial direction of the second inclined-plane are equidistant
It is mounted in oil outlet 106.In the surface of centre bore 105,3 vertical horizontal oil ducts 102 of oil duct 101 and 1 are machined with, are erected
Straight oil duct 101 is mutually communicated with horizontal oil duct 102.The outlet of vertical oil duct 101 is equipped with oil stifled 7.
As shown in Figures 4 to 6, distributor axis 3 is a root long axis, and center processes an internal oil channel 202, and periphery is equipped with oil inlet ring
Slot 201 and draining annular groove 203.There is oil-feed tank 204 at an angle in the axial direction disposed at equal distance of distributor axis 3 and let out
Oil groove 205.As distributor axis 3 rotates so that oil-feed tank 204 and drain pan 205 connect in different moments and oil outlet 106 or
It closes.Drain pan 205 is connected to draining annular groove 203.
When work, by gear drive, the driving gear 4 of oil route controller is driven to rotate, to drive distributor axis 3
Rotation, hydraulic oil constantly enters in distributor axis 3 from 201 interface of oil inlet annular groove.When engine positive power, solenoid valve
2 open, and hydraulic oil flows into horizontal oil duct 102 by electromagnetism valve opening, then flow out distributor body 1 from horizontal oil duct 102, lubricate tooth
Wheel.When engine braking, solenoid valve 2 is closed, and hydraulic oil enters in internal oil channel 202 from oil inlet annular groove 201, then passes through fuel feed hole
206 enter in oil-feed tank 204.When oil-feed tank 204, which is gone to, to be connected with oil outlet 106, hydraulic oil will pass through oil connection 8
The brake circuit that distributor body enters each cylinder is flowed out, exhaust valve is opened.After oil-feed tank 204 turns over, distributor axis 3
Oil outlet 106 is closed, oil circuit is closed at this time, and exhaust valve lift is kept.It is connected when going to drain pan 205 with oil outlet 106
When, hydraulic oil will return to draining annular groove 203 by drain pan 205, subsequently into vertical oil duct 101 and horizontal oil duct 102,
Distributor body 1 is flowed out from horizontal oil duct 102.
The depth of oil-feed tank 204 determines the oil mass into brake circuit, the folder between oil-feed tank 204 and drain pan 205
Angle determines the retention time of valve stroke.Distributor axis 3 by setting oil-feed tank 204 and drain pan 205 between angle and
The process that the deep-controlled oil mass and valve stroke into brake circuit of oil-feed tank 204 is opened.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention answers the protection model with claim
Subject to enclosing.
Claims (5)
1. a kind of oil circuit control method, it is characterised in that: move distributor axis rotation by driving gear band, hydraulic oil is from distributor
The oil inlet annular groove interface of axis enters in distributor axis；
When engine positive power, solenoid valve is opened, and hydraulic oil flows into horizontal oil duct by electromagnetism valve opening, then from horizontal oil duct stream
Distributor body out is used for oilgear；
When engine braking, solenoid valve close, hydraulic oil out of, oil inlet annular groove enters distributor axis internal oil channel, then by into
Oilhole enters in oil-feed tank；When oil-feed tank, which is gone to, to be connected with oil outlet, hydraulic oil flows out distributor body by oil connection
Into the brake circuit of each cylinder, exhaust valve is opened；After oil-feed tank turns over, distributor axis by fuel-displaced bore closure, this
When oil circuit be closed, exhaust valve lift keep；When going to drain pan and oil outlet is connected, hydraulic oil is returned to by drain pan
Draining annular groove flows out distributor body from horizontal oil duct subsequently into vertical oil duct and horizontal oil duct；
Pass through the deep-controlled oil mass into brake circuit of the oil-feed tank on setting distributor axis；By on setting distributor axis
Oil-feed tank and drain pan between angle control valve stroke retention time.
2. a kind of oil route controller for realizing oil circuit control method as described in claim 1, it is characterised in that including distributor
Body, solenoid valve, distributor axis, driving device, thrust plate and oil are stifled, and distributor axis is mounted in the centre bore of distributor body, only
Push jack is mounted on distributor axis and offsets with distributor body, constrains the axial movement of distributor axis；Add above the distributor body
Work electromagnetism valve opening, solenoid valve are assemblied in electromagnetism valve opening, and the solenoid valve is opened in engine positive power, when engine braking
It closes；
In the surface of centre bore, it is machined with vertical oil duct and horizontal oil duct, vertical oil duct is mutually communicated with horizontal oil duct, vertically
The outlet of oil duct is equipped with oil and blocks up, and the distributor axis center processes an internal oil channel, and periphery is equipped with oil inlet annular groove and draining annular groove,
The axial direction of distributor axis is disposed with oil-feed tank and drain pan at an angle, and the drain pan and the draining annular groove connect
It is logical.
3. oil route controller according to claim 2, which is characterized in that distributor body is machined with the first inclined-plane and second
Inclined-plane is respectively arranged 2 or more oil outlets the first inclined-plane and the second inclined-plane axial direction are equidistant, and oil connection is mounted on out
In oilhole, as distributor axis rotates, so that oil-feed tank and drain pan are switched on or off in different moments and oil outlet.
4. oil route controller according to claim 3, which is characterized in that first inclined-plane and second inclined-plane folder
Angle is 90 degree.
5. according to oil route controller described in Claims 2 or 3 or 4, which is characterized in that the vertical oil duct is 3, described
Horizontal oil duct is 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610769507.2A CN106337706B (en) | 2016-08-30 | 2016-08-30 | A kind of oil circuit control method and its control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610769507.2A CN106337706B (en) | 2016-08-30 | 2016-08-30 | A kind of oil circuit control method and its control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106337706A CN106337706A (en) | 2017-01-18 |
| CN106337706B true CN106337706B (en) | 2019-02-12 |
Family
ID=57823331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610769507.2A Active CN106337706B (en) | 2016-08-30 | 2016-08-30 | A kind of oil circuit control method and its control device |
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| Country | Link |
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| CN (1) | CN106337706B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL178806C (en) * | 1972-05-19 | 1986-05-16 | Maschf Augsburg Nuernberg Ag | COMBUSTION ENGINE WITH A COMPRESSED AIR START-UP DEVICE. |
| WO2001020151A1 (en) * | 1999-09-17 | 2001-03-22 | Diesel Engine Retarders, Inc. | Integrated lost motion rocker brake with control valve for lost motion clip/reset |
| CN101319636A (en) * | 2008-06-03 | 2008-12-10 | 江苏大学 | Integrated valve actuating mechanism used for engine driving and braking condition, and its control method |
| CN102787919A (en) * | 2011-05-18 | 2012-11-21 | 上海尤顺汽车部件有限公司 | Method and device for braking reset rocking arm |
| CN202810987U (en) * | 2012-05-11 | 2013-03-20 | 安徽华菱汽车有限公司 | Rocker arm shaft of engine |
| CN104832245A (en) * | 2015-03-31 | 2015-08-12 | 安徽江淮汽车股份有限公司 | Valve seat for oil pressure control valve |
| WO2015120897A1 (en) * | 2014-02-14 | 2015-08-20 | Eaton Srl | Rocker arm assembly for engine braking |
-
2016
- 2016-08-30 CN CN201610769507.2A patent/CN106337706B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL178806C (en) * | 1972-05-19 | 1986-05-16 | Maschf Augsburg Nuernberg Ag | COMBUSTION ENGINE WITH A COMPRESSED AIR START-UP DEVICE. |
| WO2001020151A1 (en) * | 1999-09-17 | 2001-03-22 | Diesel Engine Retarders, Inc. | Integrated lost motion rocker brake with control valve for lost motion clip/reset |
| CN101319636A (en) * | 2008-06-03 | 2008-12-10 | 江苏大学 | Integrated valve actuating mechanism used for engine driving and braking condition, and its control method |
| CN102787919A (en) * | 2011-05-18 | 2012-11-21 | 上海尤顺汽车部件有限公司 | Method and device for braking reset rocking arm |
| CN202810987U (en) * | 2012-05-11 | 2013-03-20 | 安徽华菱汽车有限公司 | Rocker arm shaft of engine |
| WO2015120897A1 (en) * | 2014-02-14 | 2015-08-20 | Eaton Srl | Rocker arm assembly for engine braking |
| CN104832245A (en) * | 2015-03-31 | 2015-08-12 | 安徽江淮汽车股份有限公司 | Valve seat for oil pressure control valve |
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| Publication number | Publication date |
|---|---|
| CN106337706A (en) | 2017-01-18 |
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